From patchwork Tue Aug 12 09:49:16 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiejun Chen X-Patchwork-Id: 379283 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 9DA69140082 for ; Tue, 12 Aug 2014 19:56:00 +1000 (EST) Received: from localhost ([::1]:40388 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XH8oA-00051F-Sv for incoming@patchwork.ozlabs.org; Tue, 12 Aug 2014 05:55:58 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43596) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XH8ls-0001II-Vv for qemu-devel@nongnu.org; Tue, 12 Aug 2014 05:53:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XH8ln-000731-GG for qemu-devel@nongnu.org; Tue, 12 Aug 2014 05:53:36 -0400 Received: from mga11.intel.com ([192.55.52.93]:20950) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XH8ln-00072b-Ac for qemu-devel@nongnu.org; Tue, 12 Aug 2014 05:53:31 -0400 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP; 12 Aug 2014 02:53:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,848,1400050800"; d="scan'208";a="583650749" Received: from tchen0-linux.bj.intel.com ([10.238.154.58]) by fmsmga002.fm.intel.com with ESMTP; 12 Aug 2014 02:52:21 -0700 From: Tiejun Chen To: mst@redhat.com Date: Tue, 12 Aug 2014 17:49:16 +0800 Message-Id: <1407836957-29098-4-git-send-email-tiejun.chen@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1407836957-29098-1-git-send-email-tiejun.chen@intel.com> References: <1407836957-29098-1-git-send-email-tiejun.chen@intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.93 Cc: pbonzini@redhat.com, xen-devel@lists.xensource.com, qemu-devel@nongnu.org, stefano.stabellini@eu.citrix.com Subject: [Qemu-devel] [v5][PATCH 3/4] xen:hw:pci-host:piix: create host bridge to passthrough X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Implement a pci host bridge specific to passthrough. Actually this just inherits the standard one. Signed-off-by: Tiejun Chen --- hw/pci-host/piix.c | 15 +++++++++++++++ include/hw/i386/pc.h | 2 ++ 2 files changed, 17 insertions(+) v5: * Simplify to make sure its really inherited from the standard one v4: * Rebase v3: * Rebase v2: * Just add prefix with XEN_IGD_PASSTHROUGH/xen_igd_passthrough diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c index 0cd82b8..dbf356a 100644 --- a/hw/pci-host/piix.c +++ b/hw/pci-host/piix.c @@ -703,6 +703,20 @@ static const TypeInfo i440fx_info = { .class_init = i440fx_class_init, }; +static void xen_igd_passthrough_i440fx_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->desc = "IGD PT XEN Host bridge"; +} + +static const TypeInfo xen_igd_passthrough_i440fx_info = { + .name = TYPE_XEN_IGD_PASSTHROUGH_I440FX_PCI_DEVICE, + .parent = TYPE_I440FX_PCI_DEVICE, + .instance_size = sizeof(PCII440FXState), + .class_init = xen_igd_passthrough_i440fx_class_init, +}; + static const char *i440fx_pcihost_root_bus_path(PCIHostState *host_bridge, PCIBus *rootbus) { @@ -744,6 +758,7 @@ static const TypeInfo i440fx_pcihost_info = { static void i440fx_register_types(void) { type_register_static(&i440fx_info); + type_register_static(&xen_igd_passthrough_i440fx_info); type_register_static(&piix3_info); type_register_static(&piix3_xen_info); type_register_static(&i440fx_pcihost_info); diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 11fb72f..de34aa6 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -238,6 +238,8 @@ typedef struct PCII440FXState PCII440FXState; #define TYPE_I440FX_PCI_HOST_BRIDGE "i440FX-pcihost" #define TYPE_I440FX_PCI_DEVICE "i440FX" +#define TYPE_XEN_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "xen-igd-passthrough-i440FX" + PCIBus *i440fx_init(const char *host_type, const char *pci_type, PCII440FXState **pi440fx_state, int *piix_devfn, ISABus **isa_bus, qemu_irq *pic,